Thich Nhat Hanh is one of the most revered and influential spiritual teachers in the world today. Born in Vietnam in 1926, he became a Zen Buddhist monk at the age of sixteen. Over seven decades of teaching, he has published more than 100 books, which have sold more than four million copies in the United States alone. Exiled from Vietnam in 1966 for promoting peace, his teachings on Buddhism as a path to social and political transformation are responsible for bringing the mindfulness movement to Western culture. He established the international Plum Village Community of Engaged Buddhism in France, now the largest Buddhist monastery in Europe, and the heart of a growing community of practice centers around the world. He lives in Hue in Central Vietnam.

Kim Lien and Nguyen Quang are Vietnamese illustrators who have collaborated on books published in a number of countries, often under the pen name KAA. Their illustrations are influenced by the folk culture of Vietnam and Asia. They live in Vietnam.